Sci Quest !!Quick! Fast ! PlZ!

F2 Science Questions
A.Concept checking
1.Playing chess with friends helps one relax , thus it is good for maintaining both mental health and social well - being (true / false)

2.Among physical health , mental health and social well -being , physical health is the most important . (true / false)

3.Forzen salmon are pocessed food (true / false )

4. Some nutrients in food may be lost during food processing . (true /false )

5 . All food additives are harmful to our body . (true / false )

6 . Sorbic acid can prevent the formation of mould . It can be used as a kind of food preservatives . (truye / false )

B.Multipe Choice
1.Which of the following substances should not be found in the urine of a healthy person?
(1) Salt
(2)Proteins
(3)Glucose
A.(1) and (2)
B.(1) and (3)
C. (2) and (3)
D.(1), (2), (3)

2. Arrange the following foods according to their energy contents in descending order.

(1) 10 g of butter
(2) 10 g of strawberries
(3) 10 g of bread
(4) 10 g of water

A.(1)>(2)>(3)>(4)
B.(1)>(3)>)2)>(4)
C.(1)>(3)>(4)>(2)
D.(3)>(1)>(2)>(4)

3 . Which of the following symtoms / behaviour would appear in a 20 - year - old girl who is suffering from anorexia ?

(1) Self - induced vomiting to get rid of the food just eaten
(2) Absence of menstruation
(3)Resuming normal eating habits when the body weight reaches one 's target

A.(1)and (2)
B.(1) and (3)
C. ( 2 ) and (3)
D.(1) , (2) and (3)

C.Matching

Food substances
(a) carbohydrates
(b) Fats
(C) Proteins
(d) Water
(e)Vitamins and minerals
(f) Dietary fibre

Description
(1) provide energy
(2) are needed in small amounts
(3) reduce heat loss from our body
(4) are the major component of muscles
(5) acts as an energy reserve
(6) helps prevent comstipation
(7) helps regulate body temperature
(8) stimulates the peristalsis of the intestine